Cell phone jammer is a kind of device which is used for blocking the cell phone signals when it appears in unnecessary situation. By sending out the same frequency with the cell phone you want to disable, once you turn on the button, all signals will disappear immediately. according to the size of cell phone jammer, it can be divided into mini-one or portable one and high powerful phone jammer, the size you choose is depending on the need. more information at Security Sub-categories:EAS RF SystemsSafety EquipmentSurveillance Equipment

HongChangTag Co.,Ltd
As a RFID supplier in China, Hongchangtag Inc. is famous of supplying special tag and excellent service, especially in dealing with tags used in harsh environment or shelter place.Security Sub-categories:EAS RF Systems

rongtoc electronic technology Co.,LTD. was founded in 2004, is a integrated EAS hard tag , EAS system manufacturer .after 10 years of development ,rongtoc has 230 worker ,9 production lines. we can production EAS hard tags 20000000/month. our service purposes: 1: with our professional attitude for the customer production the ideal products. 2: with the least money to create the greatest value. our factory main export :usa ,uk , europe....Security Sub-categories:AlarmsAlarms VehiclesEAS RF Systems